17958465

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1213}}^1$

素因数の和:1278

約数の個数: 48

約数和(自身を含む): 36361728

約数和(自身を除く): 18403263

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 47, 63, 105, 141, 235, 315, 329, 423, 705, 987, 1213, 1645, 2115, 2961, 3639, 4935, 6065, 8491, 10917, 14805, 18195, 25473, 42455, 54585, 57011, 76419, 127365, 171033, 285055, 382095, 399077, 513099, 855165, 1197231, 1995385, 2565495, 3591693, 5986155, 17958465]

約数ペア:

[(1, 17958465), (3, 5986155), (5, 3591693), (7, 2565495), (9, 1995385), (15, 1197231), (21, 855165), (35, 513099), (45, 399077), (47, 382095), (63, 285055), (105, 171033), (141, 127365), (235, 76419), (315, 57011), (329, 54585), (423, 42455), (705, 25473), (987, 18195), (1213, 14805), (1645, 10917), (2115, 8491), (2961, 6065), (3639, 4935)]